After Successfully Running from the Large,snarling,drooling Grizzly Bear That Was

question 243

Multiple Choice

After successfully running from the large,snarling,drooling grizzly bear that was running directly toward you,you pause to catch your breath and collect your wits.The physical symptoms you now experience are controlled by the

• A)sympathetic branch.
• B)parasympathetic branch.
• C)central nervous system.
• D)neurotransmitter acetylcholine.

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Definitions:

Microvilli

Small, finger-like projections on the surface of some cell types which increase the surface area for absorption or secretion.

Vasa Recta

A network of blood vessels in the kidney that maintains the concentration gradient required for urine concentration and regulation.

Medullary Interstitial Fluid

The fluid within the interstitial space of the renal medulla, important in the concentration of urine.

Solute Gradient

A solute gradient involves the variation of solute concentration across a distance, which can drive various biological processes, including diffusion and osmosis.